.wrapper{
  width: 100%;
  height: 100%;
}
.container{
  // height: 50%;
  padding: 3%;
  display: flex;
  justify-content: space-between;
}
.studentList{
  width: 49%;
}
.ability {
  width: 49%;
}
.detail{
  // height: 50%;
  padding: 3%;
}
.demo1{
  width: 200px;
  background-color: cornflowerblue;
  padding: 20px;
}
.demo2{
  width: 100px;
  height: 100px;
  background-color: dimgrey;
  float: right;
}